Artist John Baldessari is an iconic figure in some modern art circles. His conceptual pieces — black-and-white photographs covered with colorful dots, a blue sky painted on a museum floor — can provoke smiles. But serious ideas lie beneath the surface.
Evidence of loss remains even three years after a massive earthquake claimed the lives of as many as 200,000 people in Haiti. One of the first photojournalists to capture the grim aftermath of the quake, NPR's David Gilkey traveled back to Haiti to revisit images he originally took in 2010.
Hundreds of reporters and news organizations cover the president's trips and speeches. Few people are given as much access as the White House photographers who capture the presidency through photographs.
Photographer Colin Legg makes time-lapse movies of celestial scenes, from auroras to eclipses. Photographing mostly in remote parts of Australia, where human-made light doesn't compete with starlight, Legg describes some of the challenges of this type of photography: from babysitting cameras for days and nights on end to running electronics in the backcountry.